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ITS » Master Theses » Teknologi Proses - S2 Posted by dee@its.ac.id at 11/01/2012 15:18:02 • 67 Views
UNJUK KERJA BIOTRICKLING FILTER UNTUK PENURUNAN KADAR AMONIUM NITROGEN (NH4-N) DALAM LINDI SAMPAH ORGANIK SEBAGAI BAHAN BAKU BIOGAS
BIOTRICKLING FILTER PERFORMANCE FOR AMONIUM NITROGEN (NH4-N) FROM LEACHATE WASTE ORGANIC AS BIOGAS RAW MATERIAL
Created by :
FANANI, NURULL ( 2309201018 )
| Subject: | Biogas | | Alt. Subject : | Leachate | | Keyword: | Lindi Amonium Nitrogen Lumpur aktif dan biotrickling filter |
[ Description ]
Lindi merupakan limbah cair yang dihasilkan dari proses dekomposisi alamiah yang terjadi pada tumpukan sampah. Lindi mengandung beberapa kompenen didalamnya, antara lain komponen organik terlarut, komponen anorganik, logam berat dan komponen organik xenobiotic. Dengan melakukan recovery terhadap komponen yang ada pada lindi maka lindi dapat menjadi sesuatu yang lebih bermanfaat yaitu dapat menjadi bahan baku energi alternatif, misalnya biogas. Agar lindi dapat digunakan sebagai bahan baku biogas yang baik maka kandungan amonium nitrogen (NH4+-N) yang ada pada lindi harus terlebih dahulu di turunkan karena untuk menjadi bahan baku biogas kandungan amonium nitrogen (NH4+-N) harus memenuhi level 200 – 300 mg/L. Oleh karena itu pada penelitian ini diupayakan penurunan amonium nitrogen (NH4+-N) dengan menggunakan biotrickling filter. Tujuan dari penelitian ini adalah untuk memperoleh lindi sebagai bahan baku biogas dengan kadar Ammonium nitrogen (NH4+-N) yang rendah, memperoleh besaran untuk rasio rate umpan terhadap rate udara dan posisi udara inlet terhadap laju penurunan kadar nitrogen dalam lindi serta memperoleh koefisien mass trasnfer dan parameter kinetika . Proses yang digunakan dalam penelitian ini adalah trickling filter secara biologis dengan menggunakan lumpur aktif sebagai media biologis yang tumbuh secara melekat. Variabel yang digunakan dalam penelitian ini adalah rasio rate limbah cair dengan rate udara (m3/min) 1 :6 dan 1 : 9 dan aliran udara yang dimasukkan pada bawah kolom dan bawah kolom ditambah separuh kolom serta penambahan mikroba AOB dan NOB sebanyak 500ml(±107sel/500ml). Recycle ratio sebesar 0,5. Analisa yang dilakukan antara lain temperature, pH, COD, MLVSS, dan % removal amonia yang terjadi. Hasil penelitian menunjukkan bahwa pada kondisi rasio rate lindi dengan rate udara (L/min) 1 : 6, 1 : 9, 1 : 6 dengan penambahan mikroba dan 1 : 9 dengan penambahan mikroba pada posisi udara inlet yang sama yaitu pada bawah kolom secara berturut-turut mampu menurunkan amonium nitrogen (NH4+-N) sebesar 298,656 (mg/L) selama 16 hari dengan dua stage, 297,024 (mg/L) selama 10 hari dengan satu stage, 265,200 (mg/L) selama 6 hari dengan satu stage dan 257,040 (mg/L) selama 5 hari dengan satu stage. Sedangkan untuk rasio rate lindi dengan rate udara(L/min) 1 : 6, 1 : 9, 1 : 6 dengan penambahan mikroba AOB dan NOB pada posisi udara inlet yang sama yaitu pada bawah kolom ditambah separuh kolom secara berturut-turut mampu menurunkan amonium nitrogen (NH4+-N) sebesar 228,48 (mg/L) selam 9 hari dengan satu stage, 236,64 (mg/L) selama 8 hari dengan satu stage, 218,688 (mg/L) selama 5 hari dengan satu stage dan 233,560 (mg/L) selama 4 hari dengan satu stage.
Alt. Description
Leachate is the liquid waste generated from the natural decomposition process that occurs in a pile of garbage. Leachate contains several kompenen therein, among other components of dissolved organic, inorganic components, heavy metals and xenobiotic organic components. By performing recovery on the existing components in the leachate can then leach into something more useful that can be alternative energy raw materials, such as biogas. So that leachate can be used as raw material for biogas are good then the content of ammonium nitrogen (NH4 +-N) which is in the leachate must first be scaled due to the feedstock of biogas content of ammonium nitrogen (NH4 +-N) must meet the level of 200-300 mg / L. Therefore in this study pursued a decrease of ammonium nitrogen (NH4 +-N) by using a biotrickling filter. The purpose of this study was to obtain the leachate as a feedstock of biogas with higher levels of ammonium nitrogen (NH4 +-N) is low, gain scale for the ratio of rate feedback to the rate of air and the position of air inlets on the rate of decline in the rate of nitrogen in the leachate as well as gain coefficient mass trasnfer and kinetic parameters. The process used in this study is a biological trickling filter using activated sludge as a biological growth medium is attached. Variables used in this study is the ratio of rate of liquid waste with air rate (m3/min) 1: 6 and 1: 9 and airflow are entered on the bottom of the column and the bottom half of the column and the column plus the addition of AOB microbes and Nob as much as 500ml (± 107sel/500ml). Recycle ratio of 0.5. Analysis of among others the temperature, pH, COD, MLVSS, and% removal of ammonia occurred. The results showed that the condition of leachate rate ratio with the air rate (L / min) 1: 6, 1: 9, 1: 6 with the addition of microbes and 1: 9 with the addition of microbes in the same position of the air inlet on the bottom of the column in a row consecutively able to reduce the ammonium nitrogen (NH4 +-N) of 298.656 (mg / L) for 16 days with two stages, 297.024 (mg / L) for 10 days with a single stage, 265.200 (mg / L) for 6 days with a single stage and 257.040 (mg / L) for 5 days with a single stage. As for the rate ratio of leachate to the rate of air (L / min) 1: 6, 1: 9, 1: 6 with the addition of AOB microbes and Nob at the same position the air inlet on the bottom of the column plus half a column in a row can reduce ammonium nitrogen (NH4 +-N) of 228.48 (mg / L) 9 days diving with one stage, 236.64 (mg / L) for 8 days with a single stage, 218.688 (mg / L) for 5 days with a single stage and 233.560 (mg / L) for 4 days with a single stage.
| Contributor | : |
- Dr. Ir. Sru Rachmania Juliastuti, M.Eng
| | Date Create | : | 29/07/2011 | | Type | : | Text | | Format | : | pdf | | Language | : | Indonesian | | Identifier | : | ITS-Master-3100011045212 | | Collection ID | : | 3100011045212 | | Call Number | : | RTK 628.42 Fan u |
Source : Master Thesis of Chemical Engineering, RTK 628.42 Fan u, 2011
Coverage : ITS Community
Rights : Copyright @2011 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library
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